2011 Yamaha Motorsports Apex Owners Manual - Page 32

2011 Yamaha Motorsports Apex Manual

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Control functions ESU13622 3 1 (a) 2 Adjusting the air pressure of the front shock absorbers (RX10PS) EWS00730 WARNING (b) The air pressure of the left and right shock absorbers must be adjusted to the same setting. Uneven settings can cause poor handling and loss of stability. A shock absorber pump is provided with your snowmobile to adjust the air pressure of the shock absorbers. This pump is equipped with an air pressure gauge. One side of the gauge has a low-pressure meter and the other side of the gauge has a high-pressure meter. Use the low-pressure meter to adjust the front shock absorbers. 1. Locknut 2. Distance A 3. Spring preload adjusting nut TIP The spring preload setting is determined by measuring distance A, shown in the illustration. The longer distance A is, the higher the spring preload; the shorter distance A is, the lower the spring preload. Spring preload setting*: Minimum (soft): RX10P 122.5 mm (4.82 in) RX10PXT 130.0 mm (5.12 in) Standard: RX10P 134.5 mm (5.30 in) RX10PXT 130.0 mm (5.12 in) Maximum (hard): RX10P 144.5 mm (5.69 in) RX10PXT 140.0 mm (5.51 in) * Distance A changes 1.5 mm (0.06 in) with each full turn of the adjusting nut. 3. Tighten the locknut to the specified torque. NOTICE: Always tighten the locknut against the adjusting nut, and then tighten the locknut to the specified torque. [ECS00860] Tightening torque: Locknut: 42 Nm (4.2 m·kgf, 30 ft·lbf) 1 50 3 150 10 0 20 0 15 10 5 0 RACING SHOX 250 20 30 0 2 1. Shock absorber pump 2. Pressure gauge (low-pressure meter) 3. Pressure gauge (high-pressure meter) To adjust the air pressure EWS00621 WARNING Support the snowmobile securely on a suitable stand before adjusting the shock absorbers. Otherwise, the snowmobile could fall and cause injury. 26 0 bar psi

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Control functions
26
TIP
The spring preload setting is determined by
measuring distance A, shown in the illustra-
tion. The longer distance A is, the higher the
spring preload; the shorter distance A is, the
lower the spring preload.
3.
Tighten the locknut to the specified
torque.
NOTICE:
Always tighten the
locknut against the adjusting nut, and
then tighten the locknut to the speci-
fied torque.
[ECS00860]
ESU13622
Adjusting the air pressure of the front
shock absorbers (RX10PS)
WARNING
EWS00730
The air pressure of the left and right shock
absorbers must be adjusted to the same
setting. Uneven settings can cause poor
handling and loss of stability.
A shock absorber pump is provided with your
snowmobile to adjust the air pressure of the
shock absorbers. This pump is equipped with
an air pressure gauge. One side of the gauge
has a low-pressure meter and the other side
of the gauge has a high-pressure meter. Use
the low-pressure meter to adjust the front
shock absorbers.
To adjust the air pressure
WARNING
EWS00621
Support the snowmobile securely on a
suitable stand before adjusting the shock
absorbers. Otherwise, the snowmobile
could fall and cause injury.
1. Locknut
2.
Distance A
3.
Spring preload adjusting nut
Spring preload setting*:
Minimum (soft):
RX10P 122.5 mm (4.82 in)
RX10PXT 130.0 mm (5.12 in)
Standard:
RX10P 134.5 mm (5.30 in)
RX10PXT 130.0 mm (5.12 in)
Maximum (hard):
RX10P 144.5 mm (5.69 in)
RX10PXT 140.0 mm (5.51 in)
* Distance A changes 1.5 mm (0.06 in)
with each full turn of the adjusting nut.
Tightening torque:
Locknut:
42 Nm (4.2 m·kgf, 30 ft·lbf)
(a)
(b)
1
3
2
1.
Shock absorber pump
2.
Pressure gauge (low-pressure meter)
3.
Pressure gauge (high-pressure meter)
150
20
250
50
0
10
bar
psi
5
0
20
15
1
2
3